Hopkins County | Extension
One of the first considerations when purchasing hay is that it should be based on individual animal requirements.
According to Dr. Vanessa Corriher-Olsen, forage specialist in Texas A&M AgriLife for optimal production, forage quality should be matched as closely as possible to the nutritional needs of the animal. Low quality forage can result in reduced animal performance and increased supplemental feeding costs. Whereas hay of sufficient quality, little or no supplementation will be necessary to meet the animals’ nutritional needs.
Keep in mind that not all forage or hay is created equal. There is great variation between forages and nutrient content can vary dramatically even within a particular type of forage. Several factors influence hay quality, such as maturity (time of harvesting), forage species and variety, fertilization, temperature, leaf-to-stem ratio, and weather at harvesting and baling.
Regardless if you are buying hay or feeding the hay you raised, it is a good idea to test the hay to determine what if any supplementation will be needed when the hay is fed.
When collecting samples, a good practice is to sample approximately 10% of the bales from a particular cutting or load using a hay probe. Oftentimes, a hay probe can be borrowed from your county extension office. Samples should be taken from bales that would represent hay from the entire field.
After taking samples from 10% of the bales combine the samples and remove a portion of the composite to send off for analysis.
Crude protein content is the most common thing people think about when testing hay. While crude protein content is important, a good estimate of TDN (total digestible nutrients) is as important and in many cases more important than crude protein.
There are a multitude of both commercial and university forage labs around the country. The Texas A&M AgriLife Extension Service Soil, Water and Forage Testing Laboratory does offer forage analysis as a service out of College Station.
For additional information on forage testing or available forage labs contact your local beef cattle or livestock specialist or a ruminant nutritionist.
If you haven’t done so already, now is the time to get a nutrient analysis of all available hay and forage, sort your cattle based on their nutrient requirements, properly match available forage and hay to the different groups of cattle and make sure their nutrient requirements are being met. Feeding cattle is never cheap but producers with information about what they are feeding can be more efficient.
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